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⚡ AI Lessons

Dev.to · arcker
4d ago
2864743186439, or the day the compiler answered wrong without flinching
The program should print 'premium'. It prints 2864743186439, exit code 0, no error. That number isn't noise — it's the right answer, read the wrong way. Nine de

Dev.to · arcker
🔧 Backend Engineering
⚡ AI Lesson
2w ago
943 bytes that answer HTTP
Verbose is a small proof-carrying language whose compiler is written in itself. It now emits HTTP servers: a 943-byte ELF that opens a socket, parses the reques

Dev.to · arcker
☁️ DevOps & Cloud
⚡ AI Lesson
3w ago
probatum — your tests pass. does it actually boot?
probatum is a test-oriented check runner I build in Rust: one config file, embedded checks, only the failures that matter. This post is about why it exists next

Dev.to · arcker
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
cidx v2.1.0 — the most useful output of a release was its seven bug reports
cidx is a declarative CI/CD runner I build. v2.1.0 ships a preset, a pr-edit action and six fixes — but the interesting part isn't the diff. It's the seven issu

Dev.to · arcker
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
The fixed point: a compiler written in its own language just reproduced itself, byte for byte
Verbose is a small proof-carrying language whose compiler is written in Verbose itself. Its self-hosted emitter, fed its own 855 KB source, produced a binary bi

Dev.to · arcker
📋 Product Management
⚡ AI Lesson
1mo ago
lithair 1.0 — I'm here, and yet
The 1.0 tag is cut: lithair works, tested end-to-end, soaked in prod. And yet it doesn't feel finished. An honest post about the gap between the version and the

Dev.to · arcker
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
A compiler written in its own language just emitted a standalone Linux executable
Verbose is a small experimental language whose compiler proves properties (like termination) and emits tiny, readable x86-64 — no runtime, no GC, no libc. On a

Dev.to · arcker
☁️ DevOps & Cloud
⚡ AI Lesson
2mo ago
Every elevator has a load plate. Tests are supposed to kill fear, not feed it.
An elevator's '8 persons — 630 kg' plate is a signed envelope that lets you step in without thinking. That's what a test is for: the right to stop being afraid.

Dev.to · arcker
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
A program is a tree — building a Verbose compiler in Verbose
Before a compiler can understand a program, it has to turn text into a tree (an AST). Here's how a small proof-carrying language represents a tree — recursive s

Dev.to · arcker
🔐 Cybersecurity
⚡ AI Lesson
2mo ago
TLS 1.3 without a library — a real browser does the handshake against Verbose machine code
A real browser opens an HTTPS page served by a binary whose every cryptographic transform — key exchange, signature, encryption, hash — is machine code emitted
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